Workpiece delivery device

A workpiece delivery device that unloads a workpiece from a table on one side and loads the workpiece to a table on the other side between machine tools constituting a line, between the machine tool and a non-machining station, or between non-machining stations, the workpiece delivery device comprising:

• a base;
• a turning center part provided on the base;
• a turning arm that horizontally turns above and in front of the machine tool and the non-machining station about an axis of the turning center part;
• a workpiece hand that is suspended and supported by a tip portion of the turning arm;
• a track turning mechanism that determines a conveyor track of the workpiece;
• and
• a rotation control mechanism that controls an orientation of the workpiece hand, wherein
• the track turning mechanism has a turning drive part, a track turning transmission part, and a track guide part,
• the rotation control mechanism has a rotation restriction transmission part, a rotation control part, and a rotation restriction receiving part
• the turning center part, the turning drive part, the track turning transmission part, the rotation restriction transmission part, and the rotation restriction receiving part are provided on the turning arm,
• at least one of the track guide part and the rotation control part is provided on the base,
• the rotation restriction receiving part is provided on a workpiece hand support shaft that rotatably supports the workpiece hand,
• the rotation restriction transmission part and the rotation restriction receiving part are connected to each other by a connection part, and
• the turning arm is provided with a fluid pressure cylinder as a turning drive auxiliary part.

A workpiece delivery device that unloads a workpiece from a table on one side and loads the workpiece to a table on the other side between machine tools constituting a line, between the machine tool and a non-machining station, or between non-machining stations, the workpiece delivery device comprising:

• a base;
• a turning center part provided on the base;
• a turning arm that horizontally turns above and in front of the machine tool and the non-machining station about an axis of the turning center part;
• a workpiece hand that is suspended and supported by a tip portion of the turning arm;
• a track turning mechanism that determines a conveyor track of the workpiece;
• and
• a rotation control mechanism that controls an orientation of the workpiece hand, wherein
• the track turning mechanism has a turning drive part, a track turning transmission part, and a track guide part,
• the rotation control mechanism has a rotation restriction transmission part, a rotation control part, and a rotation restriction receiving part,
• the turning center part, the turning drive part, the track turning transmission part, the rotation restriction transmission part, and the rotation restriction receiving part are provided on the turning arm,
• at least one of the track guide part and the rotation control part is provided on the base,
• the rotation restriction receiving part is provided on a workpiece hand support shaft that rotatably supports the workpiece hand,
• the rotation restriction transmission part and the rotation restriction receiving part are connected to each other by a connection part,
• the rotation control part is a rotation control hole or a rotation control groove provided in a rotation control plate,
• the rotation restriction transmission part has a sprocket or a gear provided on a central axis of the rotation restriction transmission part, and a cam follower provided at a position eccentric from the central axis,
• the cam follower engages with the rotation control hole or the rotation control groove,
• the rotation restriction receiving part is a sprocket or a gear provided on the workpiece hand support shaft, and
• the connection part is a chain or a belt that connects the sprockets or the gears.

A workpiece delivery device that unloads a workpiece from a table on one side and loads the workpiece to a table on the other side between machine tools constituting a line, between the machine tool and a non-machining station, or between non-machining stations, the workpiece delivery device comprising:

• a base;
• a turning center part provided on the base;
• a turning arm that horizontally turns above and in front of the machine tool and the non-machining station about an axis of the turning center part;
• a workpiece hand that is suspended and supported by a tip portion of the turning arm;
• a track turning mechanism that determines a conveyor track of the workpiece;
• and
• a rotation control mechanism that controls an orientation of the workpiece hand, wherein
• the track turning mechanism has a turning drive part, a track turning transmission part, and a track guide part,
• the rotation control mechanism has a rotation restriction transmission part, a rotation control part, and a rotation restriction receiving part,
• the turning center part, the turning drive part, the track turning transmission part, the rotation restriction transmission part, and the rotation restriction receiving part are provided on the turning arm,
• at least one of the track guide part and the rotation control part is provided on the base,
• the rotation restriction receiving part is provided on a workpiece hand support shaft that rotatably supports the workpiece hand, and
• the rotation restriction transmission part and the rotation restriction receiving part are connected to each other by a connection part, and
• a central axis of the track turning transmission part and a central axis of the rotation restriction transmission part are provided coaxially.

A workpiece delivery device that unloads a workpiece from a table on one side and loads the workpiece to a table on the other side between machine tools constituting a line, between the machine tool and a non-machining station, or between non-machining stations, the workpiece delivery device comprising:

• a base;
• a turning center part provided on the base;
• a turning arm that horizontally turns above and in front of the machine tool and the non-machining station about an axis of the turning center part;
• a workpiece hand that is suspended and supported by a tip portion of the turning arm;
• a track turning mechanism that determines a conveyor track of the workpiece;
• and
• a rotation control mechanism that controls an orientation of the workpiece hand, wherein
• the track turning mechanism has a turning drive part, a track turning transmission part, and a track guide part,
• the rotation control mechanism has a rotation restriction transmission part, a rotation control part, and a rotation restriction receiving part,
• the turning center part, the turning drive part, the track turning transmission part, the rotation restriction transmission part, and the rotation restriction receiving part are provided on the turning arm,
• at least one of the track guide part and the rotation control part is provided on the base,
• the rotation restriction receiving part is provided on a workpiece hand support shaft that rotatably supports the workpiece hand,
• the rotation restriction transmission part and the rotation restriction receiving part are connected to each other by a connection part,
• the track guide part is a track quide plate and a track guide hole provided in the track guide plate, and the track turning transmission part is a bearing that engages with the track guide hole, and
• the track turning transmission part further has a sprocket or a gear, and the sprocket or the gear engages with a chain or a belt provided along the track guide hole.

A workpiece delivery device that unloads a workpiece from a table on one side and loads the workpiece to a table on the other side between machine tools constituting a line, between the machine tool and a non-machining station, or between non-machining stations, the workpiece delivery device comprising:

• a base;
• a turning center part provided on the base;
• a turning arm that horizontally turns above and in front of the machine tool and the non-machining station about an axis of the turning center part;
• a workpiece hand that is suspended and supported by a tip portion of the turning arm;
• a track turning mechanism that determines a conveyor track of the workpiece;
• and
• a rotation control mechanism that controls an orientation of the workpiece hand, wherein
• the track turning mechanism has a turning drive part, a track turning transmission part, and a track guide part,
• the rotation control mechanism has a rotation restriction transmission part, a rotation control part, and a rotation restriction receiving part,
• the turning center part, the turning drive part, the track turning transmission part, the rotation restriction transmission part, and the rotation restriction receiving part are provided on the turning arm,
• at least one of the track guide part and the rotation control part is provided on the base,
• the rotation restriction receiving part is provided on a workpiece hand support shaft that rotatably supports the workpiece hand,
• the rotation restriction transmission part and the rotation restriction receiving part are connected to each other by a connection part,
• the track guide part is a track guide plate and a track guide hole provided in the track guide plate, and the track turning transmission part is a bearing that engages with the track guide hole, and
• the track guide hole and a rotation control hole or a rotation control groove provided in a rotation control plate are provided in one plate.